Have you upgraded to Opencart 1.5 Versions: v1.5.0.3 v1.5.0.2 v1.5.0.1 v1.5.0 I had problems getting the SEO Friendly URLS to work on my Opencart 1.5.0.3 install, after looking in the HTACCESS file I found this: RewriteBase /opencart/upload/ The fix to make the SEO Friendly URLS – MOD REWRITE work change that line to: RewriteBase /…